4WD M151 Gun Trucks in Vietnam This set covers 4 4WD M151s, 3 in gun truck format. All 3 are famous gun trucks that served in Vietnam War. Complete with hood markings and the front and back bumper codes, and the necessary PSI stencils. Also included is a set of plans to assist with armor plate scratch-building. Now you can finally place "Lil Brutus" next to its big brother! Also included are alphanumeric generics for hood side registration numbers.